<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    {% block mytitle %}
    <title>主页</title>
    {% endblock mytitle%}
</head>
<body>
{{lst}}
<a href="/music_index">音乐频道</a>
<a href="/sport_index">体育频道</a>
<br><br>
{% block info %}
    这是主页
{% endblock info %}
<br>
<h3>有问题请联系******</h3>
</body>
</html>